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Chapter 11 - Lesson 1 - PPT

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Chapter 11 - Lesson 1 - PPT

  1. 1. Remote Connections Chapter 11 Lecture 1
  2. 2. Configuring Remote Connections <ul><li>Different with each brand of OS </li></ul><ul><ul><li>Windows </li></ul></ul><ul><ul><li>Linux </li></ul></ul><ul><ul><li>Macintosh </li></ul></ul><ul><li>Same info required for each </li></ul>
  3. 3. Information Required <ul><li>Physical connection </li></ul><ul><li>Protocols </li></ul><ul><li>Software </li></ul>
  4. 4. Physical Connections <ul><li>PSTN/POTS – direct connection </li></ul><ul><li>DSL – Internet </li></ul><ul><li>ISDN – direct connection </li></ul><ul><li>Cable – Internet </li></ul><ul><li>Satellite – Internet </li></ul>
  5. 5. Protocols <ul><li>Common protocols between client and server. </li></ul><ul><li>Two types of protocols required for remote connection. </li></ul><ul><ul><li>Data link layer protocols – establish connection </li></ul></ul><ul><ul><ul><li>PPP </li></ul></ul></ul><ul><ul><ul><ul><li>authentication between devices </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Encryption </li></ul></ul></ul></ul><ul><ul><ul><li>PPPoE – over Ethernet </li></ul></ul></ul><ul><ul><ul><ul><li>Users with cable or DSL connect to high speed network </li></ul></ul></ul></ul><ul><ul><ul><ul><li>ISP assigns IP address, SN mask, gateway, DNS server </li></ul></ul></ul></ul><ul><ul><li>Transport/Network layer protocols </li></ul></ul><ul><ul><ul><li>TCP/IP </li></ul></ul></ul><ul><ul><ul><li>IPX/SPX </li></ul></ul></ul><ul><ul><ul><ul><li>Signal transmissions </li></ul></ul></ul></ul>
  6. 6. Software <ul><li>required to establish contact with remote server </li></ul><ul><ul><li>Client-side: Windows Dial-up networking </li></ul></ul><ul><ul><li>Server-side: Windows Remote Access Server </li></ul></ul>
  7. 7. Dial-up Access <ul><li>One of the most popular methods of gaining remote access </li></ul><ul><li>Manually established connection </li></ul><ul><ul><li>POTS </li></ul></ul><ul><ul><li>VPN – virtual private network </li></ul></ul>
  8. 8. Dial-up Access Configuration <ul><li>Phone number </li></ul><ul><li>Host name or IP address </li></ul><ul><li>Transmission protocol </li></ul><ul><ul><li>NETBEUI </li></ul></ul><ul><ul><li>TCP/IP </li></ul></ul><ul><ul><li>IPX/SPX </li></ul></ul><ul><li>Security </li></ul><ul><ul><li>Authentication info </li></ul></ul><ul><li>Client-options </li></ul><ul><ul><li>Redial </li></ul></ul><ul><ul><li>Disconnect time </li></ul></ul>
  9. 9. Troubleshooting Remote Access <ul><li>Verify remote server is operational </li></ul><ul><ul><li>Ping the server </li></ul></ul><ul><ul><li>Call administrator </li></ul></ul><ul><li>Verify authentication info </li></ul><ul><ul><li>is CAPS LOCK on? </li></ul></ul><ul><li>Verify phone # and IP address of server </li></ul><ul><li>Verify local settings </li></ul><ul><ul><li>Protocol </li></ul></ul><ul><ul><ul><li>Ipconfig /all </li></ul></ul></ul><ul><ul><li>Security </li></ul></ul>
  10. 10. Choosing a NIC <ul><li>PC bus compatibility </li></ul><ul><ul><li>PCI – peripheral component interconnect </li></ul></ul><ul><ul><li>ISA – industry standard architecture </li></ul></ul><ul><li>Type of network </li></ul><ul><ul><li>Ethernet </li></ul></ul><ul><ul><li>Token ring </li></ul></ul><ul><li>Media </li></ul><ul><ul><li>Coax? </li></ul></ul><ul><ul><li>Cat 5e? </li></ul></ul><ul><ul><li>Fiber? </li></ul></ul>
  11. 11. Installing NIC <ul><li>Insert into available expansion slot </li></ul><ul><li>Screw into place </li></ul><ul><li>Plug and play – Windows </li></ul><ul><ul><li>Otherwise, configure IRQ setting </li></ul></ul><ul><ul><li>Input/Output address </li></ul></ul><ul><li>Driver software required </li></ul><ul><ul><li>Download from manufacturer </li></ul></ul><ul><li>TR – configure speed </li></ul><ul><ul><li>4 Mbps </li></ul></ul><ul><ul><li>16 Mbps </li></ul></ul>
  12. 12. Connect PC to Network <ul><li>Twisted pair </li></ul><ul><ul><li>Connect patch cable to port/hub/switch </li></ul></ul><ul><li>Speed </li></ul><ul><ul><li>Usually auto-detect; can be done manually </li></ul></ul><ul><ul><li>10 Mbps </li></ul></ul><ul><ul><li>100 Mbps </li></ul></ul><ul><ul><li>1000 Mbps/1 Gbps </li></ul></ul><ul><li>Full duplex </li></ul><ul><ul><li>Usually auto detect </li></ul></ul>
  13. 13. Testing and Troubleshooting NIC <ul><li>Is it installed correctly? </li></ul><ul><ul><li>Ping loopback address 127.0.0.1 </li></ul></ul><ul><ul><li>Device Mgr. </li></ul></ul><ul><ul><li>Green light on NIC </li></ul></ul><ul><ul><li>Diagnostic s/w provided by manufacturer </li></ul></ul><ul><li>Is the protocol configured </li></ul><ul><ul><li>TCP/IP </li></ul></ul><ul><ul><ul><li>IP address </li></ul></ul></ul><ul><ul><ul><ul><li>Obtain automatically </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Static </li></ul></ul></ul></ul><ul><ul><ul><li>SN Mask </li></ul></ul></ul><ul><ul><ul><li>Default gateway* </li></ul></ul></ul><ul><ul><ul><li>WINS/DNS info* </li></ul></ul></ul><ul><ul><ul><ul><li>*-optional </li></ul></ul></ul></ul><ul><ul><li>IPX/SPX </li></ul></ul><ul><ul><ul><li>Frame type – 802.2 </li></ul></ul></ul><ul><ul><ul><ul><li>autodetect </li></ul></ul></ul></ul><ul><ul><li>NWLink </li></ul></ul><ul><ul><ul><li>Allows Windows/Netware communications </li></ul></ul></ul><ul><ul><li>NetBEUI </li></ul></ul><ul><ul><ul><li>Simple and fast </li></ul></ul></ul><ul><ul><ul><li>Naming and addressing automatic </li></ul></ul></ul><ul><ul><ul><li>Non-routable </li></ul></ul></ul>
  14. 14. Default Gateway <ul><li>Allows the node to communicate outside of its network segment </li></ul><ul><li>Port IP address of a router usually </li></ul>
  15. 15. DNS Server <ul><li>Allows dynamic host-name resolution </li></ul><ul><li>Use two server addresses for fault tolerance </li></ul>
  16. 16. WINS Server <ul><li>Enables NetBIOS names to be resolved to IP addresses. </li></ul><ul><ul><li>Use two server addresses for fault tolerance </li></ul></ul>

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